Akdjar Fm
Period:
Paleogene
Age Interval:
Lower Paleocene; K1, D1, S5
Province:
SW Tajik, North Tajik
Type Locality and Naming
Includes in Khation Region, Darvaz District, and Sughd Region
Synonym:
Lithology and Thickness
Gypsum, dolomites and red mudstones, some interbeds of red siltstones and sandstones. 10 to 250 m.
Lithology Pattern:
Gypsum-Anhydrite
Relationships and Distribution
Lower contact
Unconformable on the erosion surface at the top of the dolomitic limestone of the Bulgarin Fm of upper Maastrichtian.
Upper contact
Overlain by the Tabakcha Fm limestones.
Regional extent
Afghan-Tajik Basin.
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[66.75,36.17],[66.49,37.14],[67.06,38.15],[67.6,38.74],[69.06,39.24],[69.08,39.38],[69.16,39.49],[69.71,39.57],[69.91,39.53],[70.1,39.55],[70.25,39.52],[70.46,39.59],[70.65,39.57],[70.68,39.22],[70.78,39.17],[70.86,38.71],[70.99,38.63],[71.21,38.6],[71.38,38.42],[71.06,38.21],[70.86,37.86],[70.76,37.51],[70.1,37.37],[69.25,36.5],[68.49,36.27],[67.66,36.14],[66.75,36.17]]]]}}
Fossils
Bivalves
Age
Lower Paleocene
Age Span:
Beginning stage:
Danian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
66.04
Ending stage:
Danian
Fraction up in the ending stage:
0.5
Ending date (Ma):
63.85
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Bosboom, R., Mandic, O., Dupont‐Nivet, G., Proust, J. N., Ormukov, C., & Aminov, J. (2017). Late Eocene palaeogeography of the proto‐Paratethys Sea in Central Asia (NW China, southern Kyrgyzstan and SW Tajikistan). Geological Society, London, Special Publications, 427, 565–588. https://doi.org/10.1144/SP427.11.